Dark
Light
System
Security
AEGION CORP COM
AEGION CORP COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 155 Institutional holders with a total value of $546,096,605.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DIMENSIONAL FUND ADVISORS LP 3,134,053 51,649,000 9.46%
2 VANGUARD GROUP INC 2,619,477 43,169,000 7.91%
3 PRICE T ROWE ASSOCIATES INC /MD/ 2,256,290 37,184,000 6.81%
4 BlackRock Fund Advisors 2,096,924 34,557,000 6.33%
5 SOUTHERNSUN ASSET MANAGEMENT, LLC 1,574,725 25,951,000 4.75%
6 Boston Partners 1,201,621 19,802,000 3.63%
7 BHF Kleinwort Benson Group S.A. 1,192,976 19,672,000 3.60%
8 ALLIANCEBERNSTEIN L.P. 1,121,716 18,486,000 3.39%
9 ROYCE & ASSOCIATES LP 1,063,489 17,526,000 3.21%
10 BlackRock Institutional Trust Company, N.A. 927,358 15,283,000 2.80%
11 PRUDENTIAL FINANCIAL INC 853,556 14,067,000 2.58%
12 Invesco Ltd. 736,414 12,136,000 2.22%
13 STATE STREET CORP 716,542 11,809,000 2.16%
14 AJO, LP 637,951 10,513,000 1.93%
15 NORTHERN TRUST CORP 614,701 10,131,000 1.86%
16 TOCQUEVILLE ASSET MANAGEMENT L.P. 613,900 10,117,000 1.85%
17 Artisan Partners Limited Partnership 586,837 9,671,000 1.77%
18 Brandywine Global Investment Management, LLC 576,293 9,498,000 1.74%
19 NORGES BANK 571,887 9,425,000 1.73%
20 LSV ASSET MANAGEMENT 544,900 8,979,000 1.64%
21 FIRST WILSHIRE SECURITIES MANAGEMENT INC 502,304 8,278,000 1.52%
22 Bank of New York Mellon Corp 400,147 6,593,000 1.21%
23 TFS CAPITAL LLC 384,454 6,336,000 1.16%
24 SYSTEMATIC FINANCIAL MANAGEMENT LP 369,565 6,090,000 1.12%
25 Gotham Asset Management, LLC 363,523 5,991,000 1.10%
26 PANAGORA ASSET MANAGEMENT INC 286,937 4,729,000 0.87%
27 MORGAN STANLEY 283,987 4,680,000 0.86%
28 NEW YORK STATE COMMON RETIREMENT FUND 246,280 4,059,000 0.74%
29 GEODE CAPITAL MANAGEMENT, LLC 244,629 4,031,000 0.74%
30 PRINCIPAL FINANCIAL GROUP INC 228,716 3,769,000 0.69%
31 THRIVENT FINANCIAL FOR LUTHERANS 220,513 3,634,000 0.67%
32 THOMPSON RUBINSTEIN INVESTMENT MANAGEMENT INC /OR/ 203,131 3,348,000 0.61%
33 DEUTSCHE BANK AG\ 203,052 3,344,000 0.61%
34 GOLDMAN SACHS GROUP INC 201,625 3,322,000 0.61%
35 AMERIPRISE FINANCIAL INC 197,768 3,260,000 0.60%
36 RENAISSANCE TECHNOLOGIES LLC 192,500 3,172,000 0.58%
37 BRIDGEWAY CAPITAL MANAGEMENT, LLC 192,100 3,166,000 0.58%
38 JPMORGAN CHASE & CO 188,872 3,113,000 0.57%
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 185,032 3,050,000 0.56%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 185,010 3,049,000 0.56%
41 GUGGENHEIM CAPITAL LLC 167,540 2,761,000 0.51%
42 BlackRock Investment Management, LLC 150,643 2,483,000 0.45%
43 MILLENNIUM MANAGEMENT LLC 147,347 2,428,000 0.44%
44 BlackRock Group LTD 139,221 2,295,000 0.42%
45 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 129,001 2,126,000 0.39%
46 KBC Group NV 128,012 2,110,000 0.39%
47 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 126,300 2,081,000 0.38%
48 Numeric Investors LLC 115,410 1,902,000 0.35%
49 MACQUARIE GROUP LTD 106,900 1,762,000 0.32%
50 JOHN G ULLMAN & ASSOCIATES INC 99,352 1,637,000 0.30%
Page 1 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.